Alex Iwobi spent the whole of the half-time interval out on the pitch warming up with one of the members of Unai Emery’s coaching staff.

So he obviously wasn’t sat in the changing room listening to Arsenal’s head coach, who had decided to bring Iwobi on the replace Mesut Ozil for the second half, give out instructions to his team.

And when he lined up on the pitch just as the second half was about to get underway, you could clearly see that Iwobi had not exactly been given the lowdown about what was expected of him at the Amex - In fact he wasn’t even sure what system the visitors were using.

Turning to Granit Xhaka, Iwobi was caught on camera asking the Switzerland international ‘what formation are we playing?’

Emery’s water bottle fury

Unai Emery often lets emotion get the better of him on the touchline - and it happened once against at Brighton.

In the closing stages, Arsenal’s head coach saw his side fail to take advantage of a good situation and turned around in frustration and booted a bottle that was lying in his technical area.

Unai Emery watches on at Brighton.

Unfortunately for Emery, he connected with it a bit too well and sent the bottle flying into the crowd, where it hit a Brighton fan.

Emery immediately headed over to the supporter to offer his apologies and he did so again at full-time, even leaving Chris Hughton waiting for his handshake

Torreira 'booking' confusion

There was plenty of confusion going around at the game - and on social media - as to whether Lucas Torreira had been booked in the second half against Brighton.

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There were suggestions he had, meaning he would be suspended for the game against Liverpool on Saturday, but that was not the case. It was in fact Sead Kolasianc who was booked for complaining about Arsenal not getting a free-kick for a foul on Torreira.

The initial incident happened on the edge of the Brighton box and after Arsenal’s appeals had been waved away, Brighton broke forward and eventually had a shot which went wide.

Kolasinac then raced over to the ref to complain and got a booking for dissent. Torreira was close by and people must have thought he was the player that got the yellow - possibly even for a dive.

Lucas Torreira goes down against Brighton.

But it was confirmed after the game that Torreira had not been booked, meaning he is available to feature against Liverpool.

Aubameyang’s nice touch

Pierre-Emerick bagged his 13th Premier League goal of the season at Brighton, but will have ended the game knowing that his missed chance at 1-0 proved costly.

It was a frustrating evening for the Gabon international, but he showed a nice touch at full-time to head over to one lucky fan who was sitting in the away end.

Aubameyang took off his shirt and handed it over, giving that supporter a lovely late Christmas present.